Here is a Cultural Literacy worksheet on the operating system found in the computer you are using. This is a half-page worksheet with a two-sentence reading and two comprehension questions. In other words, just the basics on this aspect of computer technology, and only the most general of introductions.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.